What is the frequency of a photon that has the energy of 8.46x10^-19 j?

The frequency of the photon is 1.28 PHz.

E = hf

f = E/h = 8.46 × 10⁻¹⁹ J/6.626 × 10⁻³⁴ J·s = 1.28 × 10¹⁵ s⁻¹ = 1.28 PHz

- "the acute form of diverticulitis can manifest itself with one or more severe attacks of infection and inflammation.

the inflammation of diverticulitis can eventually result in a bowel obstruction, which may cause constipation, thin stools, diarrhea, abdominal swelling or bloating, and abdominal pain."

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.